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40998880 = 2551323857
BaseRepresentation
bin1001110001100…
…1011111100000
32212010221220001
42130121133200
540443431010
64022425344
71005325156
oct234313740
985127801
1040998880
112116307a
1211892254
1386563c0
1456333d6
1538ecc3a
hex27197e0

40998880 has 96 divisors (see below), whose sum is σ = 108972864. Its totient is φ = 14462976.

The previous prime is 40998871. The next prime is 40998911. The reversal of 40998880 is 8889904.

40998880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×409988802 = 3361816322508800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 40998880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47412 + ... + 48268.

It is an arithmetic number, because the mean of its divisors is an integer number (1135134).

Almost surely, 240998880 is an apocalyptic number.

40998880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40998880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54486432).

40998880 is an abundant number, since it is smaller than the sum of its proper divisors (67973984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40998880 is a wasteful number, since it uses less digits than its factorization.

40998880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 40998880 is about 6403.0367795289. The cubic root of 40998880 is about 344.8185841696.

The spelling of 40998880 in words is "forty million, nine hundred ninety-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 23 26 32 40 46 52 65 80 92 104 115 130 160 184 208 230 260 299 368 416 460 520 598 736 857 920 1040 1196 1495 1714 1840 2080 2392 2990 3428 3680 4285 4784 5980 6856 8570 9568 11141 11960 13712 17140 19711 22282 23920 27424 34280 39422 44564 47840 55705 68560 78844 89128 98555 111410 137120 157688 178256 197110 222820 256243 315376 356512 394220 445640 512486 630752 788440 891280 1024972 1281215 1576880 1782560 2049944 2562430 3153760 4099888 5124860 8199776 10249720 20499440 40998880